Why the dual formulation?, Operation Research

Dual formulation is done for a number of reasons. The solution to a Dual problem provides all essential information about the solution to the Primal problem. A solution for the  LP problem can be determined either by solving the original problem or the Dual problem. Sometimes it may be easier to solve the Dual problem rather than the Primal problem as when the primal involves few variables but many constraints.

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What Is operation Research

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